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Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG605337352

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG605337352

Diamond specifications and retailer prices

From $371 SGD
$290 USD
As of October 30, 2026
Save $3,043 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,413 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605337352 or 605337352. Listed at 24 retailers as of October 30, 2026, with prices from $371 to $3,413, a $3,043 spread on the same certified stone. Brilliant Earth lists it at $3,413. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605337352
Dimensions8.05 × 5.77 × 3.84 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.05 mm5.77 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605337352
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.3°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,413 SGD|Low: $353 SGD|High: $3,886 SGD|Avg: $1,273 SGD|-9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 21
Retailer 22
November 1, 2026
Retailer 6$371 SGD
Retailer 19$415 SGD
Retailer 3$430 SGD
Retailer 9$460 SGD
Retailer 14$460 SGD
Retailer 22$658 SGD
Retailer 11$756 SGD
Retailer 21$790 SGD
Retailer 8$793 SGD
Retailer 13$813 SGD
Retailer 16$851 SGD
Retailer 20$1,069 SGD
Retailer 10$1,235 SGD
Retailer 5$1,294 SGD
Retailer 7$1,478 SGD
Retailer 15$1,540 SGD
Retailer 17$1,768 SGD
Retailer 18$1,828 SGD
Retailer 2$1,843 SGD
Retailer 12$1,893 SGD
Retailer 4$2,915 SGD
Brilliant Earth$3,413 SGD

36 data points across 22 retailers

24 retailers$371 SGD to $3,413 SGD

A
Cheapest Retailer
-
$371 SGD
$290 USD
A
Retailer 2
-
$415 SGD
$325 USD
View
Final sale: no returns
A
Retailer 3
-
$430 SGD
$336 USD
View
Retailer 4
-
$460 SGD
$360 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$460 SGD
$360 USD
View
A
Retailer 6
-
$658 SGD
$515 USD
View
A
Retailer 7
-
$756 SGD
$591 USD
View
A
Retailer 8
-
$790 SGD
ZAR 9,982 ZAR
View
A
Retailer 9
-
$793 SGD
$620 USD
View
A
Retailer 10
-
$813 SGD
£501 GBP
View
A
Retailer 11
-
$851 SGD
€634 EUR
View
A
Retailer 12
-
$1,069 SGD
A$1,287 AUD
View
A
Retailer 13
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$1,235 SGD
$966 USD
View
B+
Retailer 14
-
$1,294 SGD
$1,012 USD
View
B+
Retailer 15
-
$1,478 SGD
$1,156 USD
View
B+
Retailer 16
-
$1,514 SGD
$1,184 USD
View
B+
Retailer 17
-
$1,540 SGD
$1,205 USD
View
B+
Retailer 18
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$1,690 SGD
$1,322 USD
View
B+
Retailer 19
-
$1,768 SGD
$1,383 USD
View
B+
Retailer 20
-
$1,823 SGD
£1,123 GBP
View
B+
Retailer 21
-
$1,828 SGD
A$2,200 AUD
View
B+
Retailer 22
-
$1,843 SGD
£1,135 GBP
View
B+
Retailer 23
-
$1,893 SGD
$1,481 USD
View
Most Expensive
B
Brilliant Earth
14717190A · Oct 31
$3,413 SGD
$2,670 USD
View
23 more retailers have this diamond
Prices start from $371 SGDSave up to $3,043 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Radiant
$371 SGD